λ
Sequence Observatory

6,219,008

28 × 17 × 1429
Abundant Even Composite

Starting at 6,219,008, the Collatz iteration reaches 1 after 72 steps. The first transition is 3109504; the starting value is even with 36 positive divisors.

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Prime Factor Structure

Factorization String 2^8 × 17 × 1429
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 36
Divisor Sum (σ) 13,153,140
Proper Divisor Sum 6,934,132
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #6219001 ← → #6219041

Radix Representation

Decimal 6219008
Binary 10111101110010100000000 (23 bits)
Octal 0o27562400
Hexadecimal 0x5EE500

Divisor Catalog (5 of 36)

1 2 4 8 16

Collatz Trajectory (72 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

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